Ultrafuse PA vs TPU
Compare Ultrafuse PA and TPU filaments side-by-side. See which one is best for your 3D printing project.
Ultrafuse PA
-Versatile 3D printing filament
TPU
SThermoplastic Polyurethane
Perfect layer adhesion; extremely impact resistant; nearly indestructible
Detailed Comparison
Property
Ultrafuse PA
TPU
Tier Rating
Tier null
Tier S
Family
Nylon
Flexible
Nozzle Temp
240°C
200-240°C
Bed Temp
70°C
30-60°C
Enclosure
not needed
not needed
Cooling
Moderate cooling
Moisture Sensitivity
low
high
Strengths Comparison
Ultrafuse PA Strengths
TPU Strengths
- Perfect layer adhesion; extremely impact resistant; nearly indestructible
- Great for combat robots, tactical/rough-use parts
- Rubber-like parts (gaskets, grips, bumpers, wheels)
Considerations
Ultrafuse PA Caveats
TPU Caveats
- Slow printing; retraction can cause jams (especially in Bowden setups)
- Stringing is common
- Very moisture sensitive; wet TPU prints poorly
Frequently Asked Questions
Is Ultrafuse PA or TPU better for 3D printing?
TPU is generally rated higher (Tier S) compared to Ultrafuse PA (Tier null). However, the best choice depends on your specific needs: Ultrafuse PA is best for various applications, while TPU is best for Perfect layer adhesion; extremely impact resistant; nearly indestructible.
What are the temperature differences between Ultrafuse PA and TPU?
Ultrafuse PA prints at 240°C nozzle / 70°C bed. TPU prints at 200-240°C nozzle / 30-60°C bed.
Do Ultrafuse PA and TPU need an enclosure?
Ultrafuse PA: not needed. TPU: not needed.
Which is more beginner-friendly: Ultrafuse PA or TPU?
Both Ultrafuse PA and TPU are beginner-friendly options.